20178590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 18390370

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1487, 2714, 2974, 6785, 7435, 13570, 14870, 34201, 68402, 87733, 171005, 175466, 342010, 438665, 877330, 2017859, 4035718, 10089295, 20178590]

約数ペア:

[(1, 20178590), (2, 10089295), (5, 4035718), (10, 2017859), (23, 877330), (46, 438665), (59, 342010), (115, 175466), (118, 171005), (230, 87733), (295, 68402), (590, 34201), (1357, 14870), (1487, 13570), (2714, 7435), (2974, 6785)]